'Adventure Time' and its trips to distant lands will end in 2018

The "Adventure Time" gang will still be hanging around for two more seasons.

Cartoon Network

The theme song to animated cult favorite "Adventure Time" promises, "the fun will never end," but looks like that's not quite true.

Cartoon Network said Thursday the adventures of Jake the dog and Finn the human will end in 2018, after two more seasons and some specials.

"'Adventure Time' changed the definition of what a kids' TV series could be, and it's had a resounding impact upon popular culture around the world," said Rob Sorcher, the channel's chief content officer. "Cartoon Network Studios is proud to have brought together this group of brilliant artists and animators who helped make 'Adventure Time' one of the most critically acclaimed TV series of a generation."

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The quirky show focuses on Finn (the human) and Jake (the shape-shifting dog, but still Finn's adopted brother, because this is one surreal show) who live in the post-apocalyptic Land of Ooo, along with Princess Bubblegum, the Ice King, BMO the video-game console and others. Matthew Broderick, Neil Patrick Harris, Mark Hamill, Michael Dorn and George Takei are among the celebrities who've voiced characters on the show.

"Adventure Time" premiered in 2010 and has won six Emmys, a Peabody, and numerous other awards. And if you've been to a grade school any time in the past couple of years, you've almost certainly seen its omnipresent merchandise, from BMO backpacks to Finn woven hoods.

This is the show's eighth season, but the network promises a full ninth season as well as additional "Adventure Time" specials.

"Adventure Time" just received a tribute from long-running animated comedy "The Simpsons," which on Sunday transformed its cartoon family into Finn, Jake and friends in an opening-credits couch gag. "Adventure Time" creator Pendleton Ward can be heard singing a parody of his show's theme song with "Simpsons" characters added in. Ward has credited "The Simpsons" with influencing him more than any other show when he was growing up.